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Finding the Fourth Proportional to 98,737.20, 148,105.80 and 67,244.40

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Solution

The fourth proportional to 98,737.20, 148,105.80 and 67,244.40 is: 100,866.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,737.20 : 148,105.80 = 67,244.40 : x
  2. Step 2: Convert to fraction form
    98,737.20/148,105.80 = 67,244.40/x
  3. Step 3: Cross multiply
    98,737.20x = 148,105.80 × 67,244.40
  4. Step 4: Simplify right side
    98,737.20x = 9,959,285,657.52
  5. Step 5: Solve for x
    x = 9,959,285,657.52/98,737.20
  6. Step 6: Final answer
    x = 100,866.60

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